Views: 0 Author: Site Editor Publish Time: 2026-04-28 Origin: Site
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● What is PEEK Polyetheretherketone sheet?
● Unfilled Polyetheretherketone PEEK sheet
● Glass fiber reinforced Polyetheretherketone PEEK sheet
● Carbon fiber reinforced PEEK sheet
>> Self-lubrication effect (core advantage):
>> Fast heat conduction and dissipation:
PEEK sheet is extrusion by High-melt-strength PEEK raw material.
High-melt-strength PEEK raw materials, this type of PEEK has longer molecular chains and a higher molecular weight. This means that it possesses superior toughness (better impact strength and higher elongation at break), and it also exhibits better resistance to creep at high temperatures and better fatigue resistance.
This type of PEEK is often used for extruding PEEK carbon Polyetheretherketone sheet. Common PEEK plates include pure resin PEEK plates, glass fiber reinforced PEEK plates, and carbon fiber reinforced PEEK plates. So, how should we choose them?
Compared with fiber-reinforced PEEK plates, PEEK resin plates possess superior toughness and fatigue resistance.
In the bending test, the PEEK resin material can undergo up to 107 cycles under a stress level of 30-40 MPa.
The PEEK resin has excellent toughness (with a fracture elongation rate of over 30%), capable of absorbing energy through the sliding and rearrangement of molecular chains. It has a high resistance to crack propagation and can be used in environments with high-frequency vibrations for a long time, ensuring a long service life. When your components need to be repeatedly bent, subjected to impacts, or used as elastic elements, PEEK material can be chosen.
Applications: High-frequency vibration supports, compressor valve plates, gears that are repeatedly opened and closed, medical devices (such as artificial joints)
Glass fiber reinforced PEEK sheet is also one of the common types of Polyetheretherketone PEEK sheet. Compared with resin, its toughness and fatigue resistance have decreased, but its temperature resistance, strength, and dimensional stability have significantly improved.
The bending modulus of the PEEK GF 30 board is 11 GPa, which is nearly three times that of PEEK resin. The tensile strength is as high as 150 Mpa, an increase of 50% compared to the resin. The static load-bearing capacity has significantly improved, and it is not prone to creep even under long-term static high loads. It is a very reliable material.
After adding glass fibers, the heat distortion temperature of the PEEK material increases from 156°C to 215°C. It has better dimensional stability at high temperatures and can withstand a long-term working temperature of 260°C and a short-term working temperature of 300°C. It begins to melt at 343°C. Even when the PEEK material approaches its melting point, it can still maintain some mechanical strength.
If your product requires a rigid structure under high temperatures, long-term static pressure, and extremely high requirements for dimensional stability, with a working temperature exceeding 150°C for a long time, the PEEK glass fiber reinforced board might be a good choice.
The modulus of carbon fiber is higher than that of glass fiber. Therefore, the mechanical properties of the carbon fiber reinforced PEEK sheet are superior to those of PEEK GF3. The tensile strength of PEEK CF30 can reach 250 Mpa, and its bending modulus is as high as 23 Gpa. The heat distortion temperature is similar to that of PEEK GF30.Apart from the difference in mechanical properties, the carbon fiber reinforced PEEK CF30 and PEEK GF30 have a significantly better wear resistance.
Carbon fiber itself has solid lubrication properties and can form a dense transfer film on the friction surface. This film is like "dry lubricant", allowing the material to maintain low wear even in oil-free or dry friction conditions.
The modulus of carbon fiber is extremely high, like steel bars, supporting the PEEK matrix. This significantly enhances the hardness and compressive strength of the material, making it less prone to plastic deformation and adhesive wear under heavy loads.
The thermal conductivity of carbon fiber is tens of times that of PEEK resin. It can quickly conduct the heat generated by friction away, preventing local temperature rise that causes PEEK to soften, thus maintaining the wear resistance at high temperatures.
(After being reinforced by carbon fibers, it is no longer an insulating material. If your product needs to work under high temperatures for a long time and requires insulation, you can choose PEEK resin plates or fiberglass PEEK plates. If a higher load capacity is needed, PEEK GF30 plates are an appropriate choice.)
(If you need a PEEK board with stable resistance values, you can choose the anti-static PEEK board.)
